TC14433AEPG Microchip Technology, TC14433AEPG Datasheet - Page 12

• Manufacturer Part Number: TC14433AEPG
• Description: ADC Single Dual Slope 0.025KSPS 3 1/2Digit BCD 24-Pin PDIP
• Manufacturer: Microchip Technology

Specifications of TC14433AEPG

• Package: 24PDIP
• Resolution: 3 1/2 Digit
• Sampling Rate: 0.025 KSPS
• Architecture: Dual Slope
• Number Of Analog Inputs: 1
• Digital Interface Type: BCD
• Input Type: Voltage
• Polarity Of Input Voltage: Unipolar
• Display Type: LED
• Configuration: 7 Segment
• Interface: BCD
• Digits Or Characters: A/D 3.5 Digits
• Current - Supply: 1.4mA
• Voltage - Supply: 4.5 V ~ 8 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Through Hole
• Package / Case: 24-DIP (0.600", 15.24mm)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TC14433/A
FIGURE 5-2:
Display.
FIGURE 5-3:
DS21394D-page 12
Note 1: For V
OR
MCP1525
2: For V
3: Peak digit current for an eight displayed is 7 times the segment current:
C
C
Alternate Overrange Circuit
1/6
1/7
1
2
*To increase segment current capability, add two 75491 ICs between 14511B and resistor network.
The use of the 1413 as digit driver increases digit current capability over the 75492.
**V can range between -2.8V and -11V.
OR
with Separated LED
75492
1413
+5V
V
V
V
18 MΩ
SS
IN
REF
REF
47 kΩ
OUT
1 µF
= 2000V; V: 1.999V full scale.
= 200 mV; V: 199.9 mV full scale (change 470 kΩ to R = 27 kΩ and decimal point position.
3-1/2 Digit LED Voltmeter with Low Component Count Using Common Cathode
Alternate Oscillator Circuits.
V
(A) Crystal Oscillator Circuit
X
20kΩ
10
11
10 pF < C
R
R
Input
CLK
CLK
TC14433
1
0
1
+5V
and C
R
D
EOE
V
V
V
470 kΩ 0.1 µF 0.1 µF
1
AG
U
REF
X
DS
R
1
2
TC14433
4
/C C
< 200 pF
DS
3
1
DS
C0
2
1
CLK1
CLK0
DS
V
C0
V
V
OR
Q
Q
Q
1
SS
DD
EE
2
0
1
2
(Minus)
V
EE**
300 kΩ
+5V
Control
Minus
L
C
V
C
D
LT
LE
A
B
SS
I4511B
B1
V
+5V
DD
f
For L = 5 mH and C = 0.01 µF @ 22.5 kHz
=
a
b
c
d
e
f
g
R
C
M
------------------
2π LC
Resitor Network
1
or Individual
Resistor*
10
11
© 2008 Microchip Technology Inc.
R
DP
(B) LC Oscillator Circuit
CLK
CLK
Digit Drivers
1
TC14433
0
75492
1413*
OR
R
Common
Cathode
Led Display